Issue 47, 2010
From the journal:

Chemical Communications

Pd-catalyzed 5-endo-trig-type cyclization of β,γ-unsaturated carbonyl compounds: an efficient ring closing reaction to give γ-butenolides and 3-pyrrolin-2-ones†

Gan B. Bajracharya,a   Priti S. Koranne,a   Rashid N. Nadaf,a   Randa Kassem Mohamed Gabr,a   Kazuhiro Takenaka,a   Shinobu Takizawaa  and  Hiroaki Sasai*a  

* Corresponding authors

a The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki, Japan
E-mail: sasai@sanken.osaka-u.ac.jp
Fax: +81 6 6879 8465
Tel: +81 6 6879 8469

Abstract

The 5-endo-trig-type cyclization has been performed using a Pd–bis(isoxazoline) catalyst. The present cyclization of β,γ-unsaturated carbonyl compounds gave γ-butenolides and 3-pyrrolin-2-ones in good to excellent yields.

Graphical abstract: Pd-catalyzed 5-endo-trig-type cyclization of β,γ-unsaturated carbonyl compounds: an efficient ring closing reaction to give γ-butenolides and 3-pyrrolin-2-ones

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Article information

DOI
https://doi.org/10.1039/C0CC02352C
Article type
Communication
Submitted
03 Jul 2010
Accepted
06 Oct 2010
First published
22 Oct 2010

Chem. Commun., 2010,46, 9064-9066

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Pd-catalyzed 5-endo-trig-type cyclization of β,γ-unsaturated carbonyl compounds: an efficient ring closing reaction to give γ-butenolides and 3-pyrrolin-2-ones

G. B. Bajracharya, P. S. Koranne, R. N. Nadaf, R. K. M. Gabr, K. Takenaka, S. Takizawa and H. Sasai, Chem. Commun., 2010, 46, 9064 DOI: 10.1039/C0CC02352C

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